/***************************************************************************
 *
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **************************************************************************/
// Author: Wen Xiang <bigflow-opensource@baidu.com>
//
// Common tags shared by all passes

#ifndef BLADE_FLUME_PLANNER_COMMON_CLEAN_TAG_RULE_H
#define BLADE_FLUME_PLANNER_COMMON_CLEAN_TAG_RULE_H

#include <map>
#include <set>
#include <string>
#include <utility>
#include <vector>

#include "flume/planner/rule_dispatcher.h"

namespace baidu {
namespace flume {
namespace planner {

template<typename T>
class CleanTagRule : public RuleDispatcher::Rule{
public:
    virtual bool Accept(Plan* plan, Unit* unit) {
        return true;
    }

    virtual bool Run(Plan* plan, Unit* unit) {
        unit->clear<T>();
        return false;
    }
};

}  // namespace planner
}  // namespace flume
}  // namespace baidu

#endif  //BLADE_FLUME_PLANNER_COMMON_CLEAN_TAG_RULE_H

